OBD Guide

P2AB8

Wastegate Position Sensor A Circuit Low

P2AB8 is an OBD-II diagnostic trouble code meaning: Wastegate Position Sensor A Circuit Low. Common causes: open or short circuit in the sensor circuit, wastegate position sensor malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Rough engine operation
  • Check Engine Light Is On
  • Limitation of turbocharging operation

Causes

  • Open or short circuit in the sensor circuit
  • Wastegate position sensor malfunction
  • Poor contact in the sensor connector
  • Wastegate mechanical failure
  • Wiring Harness Problems

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check sensor connectors and connections
  3. Test wastegate position sensor
  4. Check the mechanical operation of the wastegate
  5. If necessary, replace the position sensor

Related codes

Error P2AB8 by Vehicle Brand

FAQ

What does the P2AB8 code mean?

P2AB8 is an OBD-II diagnostic trouble code that indicates: Wastegate Position Sensor A Circuit Low

What causes a P2AB8 error code?

The most common causes of P2AB8 include: Open or short circuit in the sensor circuit; Wastegate position sensor malfunction; Poor contact in the sensor connector; Wastegate mechanical failure.

How do I fix a P2AB8 diagnostic trouble code?

To fix P2AB8: Check the integrity of the sensor circuit. Check sensor connectors and connections. Test wastegate position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AB8?

Limited driving only, diagnose soon

How much does it cost to fix P2AB8?

The estimated repair cost for P2AB8 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat